Representing Data Flashcards
Charts and Graphs: Bar charts, pictograms, line graphs. Pie Charts: Show parts of a whole; use angles (360° total). Tally Charts: Quick way to gather data in groups. (15 cards)
What is the purpose of representing data?
To organize, analyze, and communicate information clearly.
True or False: A pie chart is used to display parts of a whole.
True
Fill in the blank: A _____ is a visual representation of data using bars to show quantities.
bar chart
What type of data is best represented by a line graph?
Continuous data over time.
Which of the following is NOT a way to represent data? a) Table b) Chart c) Paragraph d) Graph
c) Paragraph
What does the x-axis typically represent in a graph?
The independent variable.
True or False: A histogram is used to display the frequency distribution of numerical data.
True
What is the main difference between a bar chart and a histogram?
A bar chart represents categorical data, while a histogram represents continuous data.
Multiple Choice: What is the best way to show trends over time? a) Pie chart b) Line graph c) Scatter plot d) Bar chart
b) Line graph
What type of data would a scatter plot be best suited for?
Bivariate data to show relationships between two variables.
Fill in the blank: A _____ is a graphical representation of data that uses dots to represent values.
scatter plot
What does the term ‘data visualization’ refer to?
The graphical representation of information and data.
True or False: In a bar chart, the height of the bars represents the frequency of the data.
True
What is the main advantage of using visual data representation?
It makes complex data easier to understand and interpret.
Multiple Choice: Which chart would best display the percentage breakdown of a survey response? a) Line graph b) Pie chart c) Bar chart d) Histogram
b) Pie chart
